Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11744233 | Pollen feeding system for bees | — | 2023-09-05 |
| 5509697 | Combined hydraulic reservoir and line coupling | David L. Phillips | 1996-04-23 |
| 5482135 | Combined hydraulic reservoir and vehicle axle | David L. Phillips | 1996-01-09 |
| 5167800 | Apparatus for treatment of acidic water streams | Darwin J. Ringer, Robbin J. Ringer, Milford C. Jenkins | 1992-12-01 |
| 4914898 | V-belt guide | Jack E. Arfstrom | 1990-04-10 |
| 4419966 | Fluidized bed combustion | Francis J. Jenkins | 1983-12-13 |